feat(telemetry): add app-extended-heartbeat parametric tests

[khanayan123]

Add comprehensive parametric test suite for app-extended-heartbeat telemetry event across all SDK languages. Tests verify timing, payload structure, consistency, and compliance with API spec.

Tests added:

• test_extended_heartbeat_emission: Verifies interval timing
• test_extended_heartbeat_sequence: Validates multiple events
• test_extended_heartbeat_payload_content: Checks required fields
• test_extended_heartbeat_matches_app_started: Ensures consistency
• test_extended_heartbeat_excludes_products_and_install_signature
• test_extended_heartbeat_default_interval: Validates 24h default

All tests run parametrically across 9 SDK languages (Go, Java, .NET, C++, PHP, Ruby, Rust, Python, Node.js).

Motivation

Changes

Workflow

1. ⚠️ Create your PR as draft ⚠️
2. Work on you PR until the CI passes
3. Mark it as ready for review
   • Test logic is modified? -> Get a review from RFC owner.
   • Framework is modified, or non obvious usage of it -> get a review from R&P team

🚀 Once your PR is reviewed and the CI green, you can merge it!

🛟 #apm-shared-testing 🛟

Reviewer checklist

• Anything but tests/ or manifests/ is modified ? I have the approval from R&P team
• A docker base image is modified?
  • the relevant build-XXX-image label is present
• A scenario is added, removed or renamed?
  • Get a review from R&P team

[github-actions]

CODEOWNERS have been resolved as:

manifests/cpp.yml                                                       @DataDog/dd-trace-cpp
manifests/dotnet.yml                                                    @DataDog/apm-dotnet @DataDog/asm-dotnet
manifests/golang.yml                                                    @DataDog/dd-trace-go-guild
manifests/java.yml                                                      @DataDog/asm-java @DataDog/apm-java
manifests/nodejs.yml                                                    @DataDog/dd-trace-js
manifests/php.yml                                                       @DataDog/apm-php @DataDog/asm-php
manifests/python.yml                                                    @DataDog/apm-python @DataDog/asm-python
manifests/ruby.yml                                                      @DataDog/ruby-guild @DataDog/asm-ruby
pyproject.toml                                                          @DataDog/system-tests-core
tests/parametric/test_telemetry.py                                      @DataDog/system-tests-core @DataDog/apm-sdk-capabilities

[datadog-official]

⚠️ Tests

✨ Fix all issues with BitsAI or with Cursor

⚠️ Warnings

🧪 2 Tests failed

tests.parametric.test_telemetry.Test_ExtendedHeartbeat.test_extended_heartbeat_config_matches[library_env0, parametric-nodejs] from system_tests_suite (Datadog) (Fix with Cursor)

AssertionError: app-extended-heartbeat event not found
assert None is not None

self = <tests.parametric.test_telemetry.Test_ExtendedHeartbeat object at 0x7fe4ec0595e0>
test_agent = <utils.docker_fixtures._test_agent.TestAgentAPI object at 0x7fe4ebce6cc0>
test_library = <utils.docker_fixtures._test_clients._test_client_parametric.ParametricTestClientApi object at 0x7fe4ebd021b0>

    @pytest.mark.parametrize(
        "library_env",
        [
...

tests.parametric.test_telemetry.Test_ExtendedHeartbeat.test_extended_heartbeat_config_matches[library_env0, parametric-rust] from system_tests_suite (Datadog) (Fix with Cursor)

AssertionError: app-extended-heartbeat event not found
assert None is not None

self = <tests.parametric.test_telemetry.Test_ExtendedHeartbeat object at 0x7f333a921460>
test_agent = <utils.docker_fixtures._test_agent.TestAgentAPI object at 0x7f330aa950a0>
test_library = <utils.docker_fixtures._test_clients._test_client_parametric.ParametricTestClientApi object at 0x7f330acf6150>

    @pytest.mark.parametrize(
        "library_env",
        [
...

ℹ️ Info

❄️ No new flaky tests detected

_{This comment will be updated automatically if new data arrives.
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